In this article:

Goat CARE and Treatment in Time of Rain.

October 16, 2024 |

The parasite you’re referring to is Haemonchus contortus, commonly known as the Barber’s Pole Worm. It is a highly pathogenic parasite that affects goats, sheep, and other ruminants. Here are key details about this parasite:

Haemonchus contortus Overview:

  • Common Name: Barber’s Pole Worm
  • Type: Parasitic nematode (roundworm)
  • Affected Species: Goats, sheep, cattle, and other ruminants
  • Location: Primarily found in the abomasum (the fourth stomach compartment in ruminants)

Symptoms in Infected Goats:

  1. Anemia: Due to blood-sucking by the parasite, which attaches to the lining of the stomach.
  2. Weight Loss: Goats may experience rapid weight loss as a result of nutrient depletion.
  3. Bottle Jaw (Edema): Swelling under the jaw caused by low blood protein levels.
  4. Lethargy: Infected goats often appear weak and may not be able to stand for long.
  5. Pale Gums and Eyelids: A sign of anemia, commonly checked using the FAMACHA system (an anemia detection tool for small ruminants).

Life Cycle:

  • Ingestion of Larvae: Animals ingest infective larvae while grazing.
  • Development in the Abomasum: The larvae develop into adult worms, attach to the abomasal lining, and feed on the host’s blood.
  • Egg Laying: Adult females lay eggs that pass out with feces, contaminating the pasture and continuing the cycle.

Treatment and Control:

  1. Anthelmintics (Dewormers): Medications like ivermectin, albendazole, and levamisole can treat Haemonchus infections, but resistance to these drugs is common.
  2. Rotational Grazing: Moving goats to fresh pastures can break the parasite life cycle by avoiding heavily contaminated areas.
  3. FAMACHA System: Regular monitoring of anemia in goats using the FAMACHA score helps determine the need for deworming based on parasite load.
  4. Copper Oxide Wire Particles: These have been used as a complementary treatment to reduce worm burdens in some regions.
  5. Improved Nutrition: Ensuring goats are well-fed boosts their immune system and helps them better tolerate low levels of parasite infestation.

Prevention Strategies:

  • Regular fecal testing to monitor parasite loads.
  • Avoiding overgrazing to minimize the risk of heavy parasite exposure.
  • Breeding for parasite resistance, as some goats naturally have a higher resistance to Haemonchus.

Effective parasite management is crucial for maintaining the health of a goat herd, especially in regions where Haemonchus contortus is prevalent.

All News